Effect of solid fraction on the mechanical properties of thixomolded magnesium alloys

Abstract

The higher the fraction of solid phase in the partly solidified melt during pouring, the poorer the mechanical properties of thixocast components. The solid fraction decreases as the pouring temperature rises. Recommended temperature profiles for the pouring cylinder are shown. The flow characteristics of the partly solidified melt hardly changes as the content of solid matter increases

Disorders of magnesium alloy injection molding

“…In this temperature range, metals are suspensions showing liquid and solid phase constituents and a thixotropic 1) behavior. Metals only behave thixotropically when the structure at the time of shaping is marked by the fact that solid particles with a higher melting point are embedded in an already liquid phase [2].…”